import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt(), m = in.nextInt(), q = in.nextInt();
        int[][] arr = new int[n + 1][m + 1];
        for (int i = 1; i < n + 1; i++) {
            for (int j = 1; j < m + 1; j++) {
                arr[i][j] = in.nextInt();
            }
        }
        //预处理一个前缀和矩阵
        //long防溢出
        long[][] dp = new long[n + 1][m + 1];
        for (int i = 1; i < n + 1; i++) {
            for (int j = 1; j < m + 1; j++) {
                dp[i][j] = dp[i][j - 1] + dp[i - 1][j] + arr[i][j] - dp[i - 1][j - 1];
            }
        }
        while (q != 0) {
            int x1 = in.nextInt(), y1 = in.nextInt();
            int x2 = in.nextInt(), y2 = in.nextInt();
            long val = dp[x2][y2] - dp[x2][y1 - 1] - dp[x1 - 1][y2] + dp[x1 - 1][y1 - 1];
            System.out.println(val);
            q--;
        }
    }
}